20120538

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{691}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 42250752

約数和(自身を除く): 22130214

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 211, 422, 633, 691, 1266, 1382, 2073, 4146, 4853, 9706, 14559, 15893, 29118, 31786, 47679, 95358, 145801, 291602, 437403, 874806, 3353423, 6706846, 10060269, 20120538]

約数ペア:

[(1, 20120538), (2, 10060269), (3, 6706846), (6, 3353423), (23, 874806), (46, 437403), (69, 291602), (138, 145801), (211, 95358), (422, 47679), (633, 31786), (691, 29118), (1266, 15893), (1382, 14559), (2073, 9706), (4146, 4853)]